Results 291 to 300 of about 288,912 (350)
Variable-baseline disparity matching for 3D measurement and buried pipeline depth estimation. [PDF]
Sci RepTanabe R +4 more
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Participatory Ecological Assessment of Farmer Perspectives on Management of Invasive <i>Ageratina adenophora</i> in Eastern Bhutan. [PDF]
Plant Environ InteractBajgai RC +3 more
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Eastern Australian Waterbird Aerial Survey -October 2025 Annual Summary Report
J L Porter +6 more
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Automated Detection and Monitoring of Ground-Nesting Bee Nests Using Drone Imagery and Deep Learning. [PDF]
Ecol EvolTschanz P +5 more
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Summary of 1991 aerial and visual surveys to estimate harp seal production in the Greenland Sea
, 1993 Nils Øien
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The Journal of Wildlife Management, 1976
By use of balanced experiments amenable to analysis of variance we explored the effects of several factors on the accuracy of aerial survey estimates of animal density. Speed, height above ground, transect width, and observers had significant effects, whereas time of day, fatigue of observers, and length of survey were less important.
Graeme Caughley +2 more
openaire +1 more source
By use of balanced experiments amenable to analysis of variance we explored the effects of several factors on the accuracy of aerial survey estimates of animal density. Speed, height above ground, transect width, and observers had significant effects, whereas time of day, fatigue of observers, and length of survey were less important.
Graeme Caughley +2 more
openaire +1 more source
Journal of Navigation, 1950
In his Presidential Address to the Institute this year the Astronomer Royal, Sir Harold Spencer Jones, stresses the importance of an early resumption of the general survey of the Earth's magnetic field and developments in airborne magnetometers in the United States have suggested the possibility of using aircraft for this purpose.
openaire +1 more source
In his Presidential Address to the Institute this year the Astronomer Royal, Sir Harold Spencer Jones, stresses the importance of an early resumption of the general survey of the Earth's magnetic field and developments in airborne magnetometers in the United States have suggested the possibility of using aircraft for this purpose.
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2017
The aim of this chapter is to provide a general overview about the main components of a developed UAS mapping system, the survey, and processing procedure. At first (4.1), a brief introduction is given about basic operational elements and accessories of UAS.
Gergely Szabó +5 more
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The aim of this chapter is to provide a general overview about the main components of a developed UAS mapping system, the survey, and processing procedure. At first (4.1), a brief introduction is given about basic operational elements and accessories of UAS.
Gergely Szabó +5 more
openaire +1 more source